18729123831

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{1237}}^1\times {\mathrm{16993}}^1$

素因数の和:18253

約数の個数: 40

約数和(自身を含む): 30548006544

約数和(自身を除く): 11818882713

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 1237, 3711, 11133, 13607, 16993, 33399, 40821, 50979, 100197, 122463, 152937, 186923, 367389, 458811, 560769, 1102167, 1376433, 1682307, 5046921, 15140763, 21020341, 63061023, 189183069, 231223751, 567549207, 693671253, 1702647621, 2081013759, 6243041277, 18729123831]

約数ペア:

[(1, 18729123831), (3, 6243041277), (9, 2081013759), (11, 1702647621), (27, 693671253), (33, 567549207), (81, 231223751), (99, 189183069), (297, 63061023), (891, 21020341), (1237, 15140763), (3711, 5046921), (11133, 1682307), (13607, 1376433), (16993, 1102167), (33399, 560769), (40821, 458811), (50979, 367389), (100197, 186923), (122463, 152937)]